Makhanov M Маханов М. “Determination of the Most Advantageous Branching Angle of the Network of Sections from the Main Pipelines”. Рroblems of engineering and professional education 19, no. 4 (March 3, 2023): 10–13. Accessed November 24, 2024. https://bulprengpe.enu.kz/index.php/main/article/view/519.